1 // SPDX-License-Identifier: GPL-2.0-or-later
3  * Copyright 2014 Chen-Yu Tsai
5  * Chen-Yu Tsai <wens@csie.org>
8 #include <linux/clk.h>
9 #include <linux/clk-provider.h>
28 	const char *clk_name = node->name;  in sun8i_a23_mbus_setup()
30 	struct clk_divider *div;  in sun8i_a23_mbus_setup()  local
33 	struct clk *clk;  in sun8i_a23_mbus_setup()  local
43 		pr_err("Could not get registers for sun8i-mbus-clk\n");  in sun8i_a23_mbus_setup()
47 	div = kzalloc(sizeof(*div), GFP_KERNEL);  in sun8i_a23_mbus_setup()
48 	if (!div)  in sun8i_a23_mbus_setup()
59 	of_property_read_string(node, "clock-output-names", &clk_name);  in sun8i_a23_mbus_setup()
62 	gate->reg = reg;  in sun8i_a23_mbus_setup()
63 	gate->bit_idx = SUN8I_MBUS_ENABLE;  in sun8i_a23_mbus_setup()
64 	gate->lock = &sun8i_a23_mbus_lock;  in sun8i_a23_mbus_setup()
66 	div->reg = reg;  in sun8i_a23_mbus_setup()
67 	div->shift = SUN8I_MBUS_DIV_SHIFT;  in sun8i_a23_mbus_setup()
68 	div->width = SUN8I_MBUS_DIV_WIDTH;  in sun8i_a23_mbus_setup()
69 	div->lock = &sun8i_a23_mbus_lock;  in sun8i_a23_mbus_setup()
71 	mux->reg = reg;  in sun8i_a23_mbus_setup()
72 	mux->shift = SUN8I_MBUS_MUX_SHIFT;  in sun8i_a23_mbus_setup()
73 	mux->mask = SUN8I_MBUS_MUX_MASK;  in sun8i_a23_mbus_setup()
74 	mux->lock = &sun8i_a23_mbus_lock;  in sun8i_a23_mbus_setup()
77 	clk = clk_register_composite(NULL, clk_name, parents, num_parents,  in sun8i_a23_mbus_setup()
78 				     &mux->hw, &clk_mux_ops,  in sun8i_a23_mbus_setup()
79 				     &div->hw, &clk_divider_ops,  in sun8i_a23_mbus_setup()
80 				     &gate->hw, &clk_gate_ops,  in sun8i_a23_mbus_setup()
82 	if (IS_ERR(clk))  in sun8i_a23_mbus_setup()
85 	err = of_clk_add_provider(node, of_clk_src_simple_get, clk);  in sun8i_a23_mbus_setup()
95 	clk_unregister(clk);  in sun8i_a23_mbus_setup()
101 	kfree(div);  in sun8i_a23_mbus_setup()
109 CLK_OF_DECLARE(sun8i_a23_mbus, "allwinner,sun8i-a23-mbus-clk", sun8i_a23_mbus_setup);